See also:

Switching the microphone to mute
When a call is active, the microphone can be muted. 1. "Telephone". 2. "Active calls". 3. "Microphone mute" A microphone that has been switched to mute is automa ...

Vehicle information
Owner's Manual Computer Vehicle ...

Switching on/off manually
Press the button. On: the LED lights up. Off: the LED goes out. ...